2,199,159

3² × 244351

2,199,159 factors as 3^2 × 244351. Its 6 positive divisors give a proper-divisor sum of 977,417, so this integer is deficient. The Collatz stopping time is 179 steps.

Prime Factor Structure

Factorization String 3^2 × 244351

Distinct Prime Factors 2

Square Status No

Abundance Measure Deficient

Analytical Properties

Total Divisors 6

Divisor Sum (σ) 3,176,576

Proper Divisor Sum 977,417

Digit Sum / Digital Root 36 (Root: 9)

Adjacent Primes #2199151 ← → #2199163

Radix Representation

Decimal	2199159
Binary	1000011000111001110111 (22 bits)
Octal	0o10307167
Hexadecimal	0x218E77

Divisor Catalog (6)

1 3 9 244,351 733,053 2,199,159

Collatz Trajectory (179 steps to reach 1)

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

2,199,159 6,597,478 3,298,739 9,896,218 4,948,109 14,844,328 7,422,164 3,711,082 1,855,541 5,566,624 2,783,312 1,391,656 695,828 347,914 173,957 521,872 260,936 130,468 65,234 32,617 97,852 48,926 24,463 73,390 36,695 110,086 55,043 165,130 82,565 247,696 123,848 61,924 30,962 15,481 46,444 23,222 11,611 34,834 17,417 52,252 26,126 13,063 39,190 19,595 58,786 29,393 88,180 44,090 22,045 66,136 33,068 16,534 8,267 24,802 12,401 37,204 18,602 9,301 27,904 13,952

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